LP4059 datasheet(4/9 Pages) POWER

4 / 9 page

LP4059-00

Jan.-2018

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 4 of 9

Preliminary Datasheet

LP4059

Electrical Characteristics

(TA=25℃, VCC=5V, LP4059B5F,the specifications which apply over the full operating temperature range, unless otherwise noted.)

Symbol

Parameter

Condition

Min

Typ

Max

Units

VCC

Adapter/USB Voltage Range

4.5

6.5

ICC

Input Supply Current

Standby Mode (Charge Terminated)

μA

SLP=High

VFLOAT

Regulated Output (Float) Voltage

4.158

4.2

4.242

IBAT

BAT Pin Current

RPROG=10k, Current Mode

100

120

RPROG=2k, Current Mode

400

500

600

Reverse Current, VBAT=-4.2V

-1

Standby Mode, VBAT=4.2V

Shutdown Mode (RPROG NC)

Sleep Mode, VCC=0V

μA

VTRIKL

Trickle Charge Threshold Voltage

RPROG=10k, VBAT Rising

2.9

ITRIKL

Trickle Charge Current

VBAT < VTRIKL

VTRHYS

Trickle Charge Hysteresis Voltage

RPROG=10k

180

VUV

VCC Undervoltage Lockout Threshold

From VCC Low to High

3.8

VUVHYS

VCC Undervoltage Lockout Hysteresis

500

VASD

VCC–VBAT Lockout Threshold Voltage

100

ITERM

Termination Current Threshold

RPROG=10k

%IBAT

RPROG=2k

VPROG

PROG Pin Voltage

RPROG=10k, Charge Mode

VCHRG

CHRG Pin Output Low Voltage

ICHRG=5mA

0.6

ICHRG

CHRG Pin Weak Pull-Down Current

VCHRG=5V

ΔVRECHRG

Recharge Battery Threshold Voltage

VFLOAT-VRECHRG

150

TLIM

Junction Temperature in Constant

Temperature Mode

150

℃

RON

Power FET “ON” Resistance

(Between VCC and BAT)

500

mΩ

tSS

Soft-Start Time

IBAT=0 to IBAT=800/RPROG

200

μs

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